<template>
  <!-- 主体部分 -->
  <section class="main">
    <input
      id="toggle-all"
      class="toggle-all"
      type="checkbox"
      @click="changeAll($event)"
    />
    <label for="toggle-all">Mark all as complete</label>
    <ul class="todo-list">
      <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
      <li :class="{ completed: item.flag }" v-for="item in list" :key="item.id">
        <div class="view">
          <input
            class="toggle"
            type="checkbox"
            :checked="item.flag"
            @change="changeFlag(item.id, $event)"
          />
          <label>{{ item.value }}</label>
          <button class="destroy" @click="delList(item.id)"></button>
        </div>
      </li>
    </ul>
  </section>
</template>

<script>
export default {
  name: 'todolistBody',
  props: {
    list: {
      type: Array,
      required: true,
    },
  },
  data() {
    return {}
  },
  methods: {
    changeFlag(id, e) {
      this.$emit('changeFlag', id, e.target.checked)
    },
    delList(id) {
      this.$emit('delList', id)
    },
    changeAll(e) {
      this.$emit('changeAll', e.target.checked)
    },
  },
}
</script>

<style scoped></style>
